Portion of battery



FIG. 1 is a perspective view of the preferred embodiment of the portionof battery showing our new design;

FIG. 2 is a perspective view of the rear thereof; and,

FIG. 3 is a perspective view of a first alternative embodiment thereof.

Broken lines in the figures are for illustrative purposes only and formno part of the claimed design.

The ornamental design for a portion of battery, as shown and described.